mc406 user manual (draft) - euromag · mc406 electronic converter overview and specifications last...

MC406 electronic converteroverview and specificationslast review 19/01/2017

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DESCRIPTION

MC406 is a battery operated electronic converter designed to offer an high measure accuracy and stability in a compact size.The measured flowrate is displa on the LCD screen toget er ; other informations andyed h with one of the 4 available totalizerssome basic settings are directly accessible using the 4 pushbuttons interface. The complete instrument configuration and logaccess is possible using a provided PC-based software that access the infrared communication interface.The two indipendent positive and negative passive pulse outputs allow the connection with any external counter.Pressure and temperature probes are available on request (starting from 2016).

SENSOR COUPLING

The maximum full-bore sensor size is dn 600 mm; the built-in battery life is affected from the sensor size.The flowmeter can be ordered both in compact or separate version, with a maximum cable length of 30mt.

MEASURING FEATURES

Flow velocity range: 0.05 m/s (error class to be defined) to 10 m/s +/- 0.5% or OIML R49 for MID versionLiquid conductivity >=20uS/cmSampling rate: awake unit 3.125Hz nominal (depends on the diameter); stand-by mode: from 1/5Hz to 1/60Hz (default1/15Hz)Digital filters: damping (number of avarages), cut-off, bypass and peak cut.

DATA STORAGE

All the parameters, totalizers and log are stored in a non-volatile memory. The datalogger offer a cyclic storage of over100000 lines of data with a maximum resolution of 1 minute, recording the time stamp, flowrate, positive and negativetotalizer and additional information as converter, any detected error condition and, if installed, the process pressure andtemperature.

DISPLAY

The LCD can visualize an 8 and a 6 digit number plus several information icons, allowing the user to display severalinformations and set many parameters. On detalis, it is possible to show:

� live flowrate� total positive totalizer (T+)� total negative totalizer (T-)� partial positive totalizer (P+)� partial negative totalizer (P-)� time & date� converter temperature� process pressure and temperature (if available)� parameters corresponding code and value


SYSTEM STARTUP

After the physical installation of the instrument has been completed, the electronic converter can be powered on by plugginthe battery pack to the proper connector (shown on fig.2). Several information are displayed to the user and a basinc setup isrequired.

BOOTLOADER CHECKSUM AND VERSIONthe bootloader is a separated software necessary to download a new firmwareinto the converter (see the proper section)

FIRMWARE CHECKSUM AND VERSIONthis refers to the main firmware

NEW BATTERY NOTIFICATIONif the unit is beeing powered with a new battery pack it is necessary to select «YES»by pressing P4 to reset the battery energy counter;if the unit has just beeing disconnected and powered back with the same battery pack«NO» is the proper selection (P1)

DATE & TIME SETUPcheck and eventually adjust the date and timethe flashing value is the one that can be adjusted using P3 / P4P2 selects the next value in the sequence:year>month>day>hour>minute.After the last value has been selected, a further pression of P2 confirms the value andmoves to the next screen;P1 confirms the current settings and exits

MAIN VISUALIZATION SCREENthe converter is now ready. The positive totalizer appears on the first row and the liveflowrate on the second. The current technical unit is shown on the right side.

positive pulse out

negative pulse out

sensor signal cablesensor coil cable

battery

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CONVERTER OVERVIEW

infrared interface

status LED(RED and YELLOW)

pushbuttons

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cable glands for pulsesoutput and other I/O,as pressore / temperatureprobes or GSM antenna

ground connection

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ac

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P1 P2 P3 P4

fig.1 fig.2


USER INTERFACE

Starting from the main visualization screen (flowrate and total positive totalizaer), the 4 pushbuttons can be used to performvarious operations. On details:

Scroll the first and second line visualization options

P3: scroll the live flowrate, time, board temperature and, if available, the process temperature and pressure

P4: scroll the totalizers and the date in this order: T+ > T- > P+ > P- > date

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P2: scroll the the active alarms (first row) / alarms count (second row)In a normal working condition no alams will be reported

if one (or more) alarm condition is active, it will be scrolled

P1: enter the function selection passing through the password entry (if any value other than 0 is used, otherwise thepassword is not required)

to increase / decrease the current digit value use P4 / P3; move to the next digit with P2. When the last digit is entered, afurther pression of P2 will unlock the access to the function selection if the entered password is correct, otherwise the digitwill scroll back to the first one

function selection code: every value corresponds to a parameter set menu or function (see ); to select the11. FUNCTIONSfunction code use P4 / P3; to enter the selected code use P2. Pressing P1 returns to the main screen

inside a specific function, the pushbuttons functionality may differ (see ); in this example, P4 / P3 increase11. FUNCTIONSand decreases the parameter value shown on the first row, P2 confirms the value and move back to the function selection,P1 abort the operation and goes back to the main screen.

ACCESS0

F SEL01

f01

2

E 10201 02

E 10302 02


FIRST ACTIVATION

Depending on the instrument configuration, the converter can be shipped with the battery pack disconnected or alreadyconnected.If disconnected: the unit is automatically operative once connected (see pag.11)If already connected: the unit is hibernated and needs to be activated.To activate an hibernated unit it is necessary to hold pressed P2 and P3 for 5 seconds

hold pressed togheter

DISPLAY TEST

The LCD display integrity can be checked by pressing together P1 and P4 from the live measurement screen all the display;segments will be activated and cleared in sequence.Also, the firmware version.revision and its checksum are displayed.When completed, the previous measurement screen will be restored.

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P1 + P4

2 seconds

2 seconds5 seconds


FUNCTIONS

A list of all the accessible functions from the user interface follows

FUNC DESCRIPTION ACTION P1 ACTION P2 ACTION P3 ACTION P4 MINVALUE

MAXVALUE

NOTES

01 instant flowrateunit

back to mainscreen

confirm + return tofunction selection

value decrease value increase 1 6 1=m;2=m3;3=L;4=ML;5=ft3;6=gal;7=BBL.Setting 1(meters)thetime base is autom.changed to 1 (second)

02 time base forinstant flowrate

back to mainscreen


value decrease value increase 1 4 1=s;2=m;3=h;4=d

03 counters unit back to mainscreen


value decrease value increase 1 4 1=m3;2=L;3=ML;4=gal;5=BBL;6=Aft;7=Ain

04 zero finder back to mainscreen

cancel operation;return to functionselection

no action zero finder start - - display shows thecountdown in secondsto complete theoperation; whencompleded the mainscreen is shownautomatically

05 calibrationfactor

back to mainscreen


value decrease value increase -10.0 10.0

06 sensordiameter

back to mainscreen


value decrease value increase 1 4000 nominal sensordiameter [mm]

07 pulse volume back to mainscreen


value decrease value increase 1 10000 the parameter iselectrically secured;read-only mode

08 pulse technicalunit

back to mainscreen


value decrease value increase 1 4 1=mL;2=L;3=m3;4=gal

09 pulse duration back to mainscreen


value decrease value increase 5 500 expressed in ms[seconds / 1000]

10 measurementfrequency

back to mainscreen


value decrease value increase 5 60 interval between twomeasures [s]

11 date and time back to theprevious field; if inyears setting field,back to mainscreen


value decrease value increase 5 60 interval between twomeasures [s]

12 damping back to mainscreen


value decrease value increase 2 100 number of samplesaveraged

13 bypass back to mainscreen


value decrease value increase 2 95 bypass filterthreshold,full scale %

14 peak cut back to mainscreen


value decrease value increase 1 90 peak cut filterthreshold,full scale %

15 cut off back to mainscreen


value decrease value increase 0.00 10.00 flow cut off expressed inm/s (finest adjustment+/-0.01m/s)

16 flowratedisplay digits

back to mainscreen


value decrease value increase 0 4 number of decimaldigits used to displaythe instantaneousflowrate

17 totalizersdisplay digits

back to mainscreen


value decrease value increase 0 3 number of decimaldigits used to displaythe totalizers

read only

editable



MAXVALUE

NOTES

18 empty pipethreshold

back to mainscreen


value decrease value increase 200 5000 the threshold value is araw scaled value of the24bit ADC conversion

19 full scale back to mainscreen


value decrease value increase 1.0 10.0 the full scale isexpressed in m/s (notrelated to the diameter)

20 partial positivetotalizer reset

back to mainscreen


no action partial positivetot. reset (mustbe hold pressedfor 5 sec.)

- - display shows thepartial positive totalizer

21 partial negativetotalizer reset

back to mainscreen


no action partial negativetot. reset (mustbe hold pressedfor 5 sec.)

- - display shows thepartial negative totalizer

22 firmwareversion

back to mainscreen

return to functionselection

no action no action - - shows the currentfirmwareversion.revision

23 firmwarechecksum

back to mainscreen


no action no action - - shows the currentfirmware checksum(CRC32)

24 empty pipedetection mode

back to mainscreen


value decrease value increase 0 3 0:all empty pipedetections disabled;1:enabled on thededicated 4th electrode;2:enabled on themeasuring elecrodes;3:enabled on both

25 passwordsetup

back to mainscreen

on to nextdigit,confirm andreturn to functionselection (must beinput twice)

value decrease value increase 0 999999

26 bootloaderversion

back to mainscreen


no action no action - - shows the currentbootloaderversion.revision

27 bootloaderchecksum

back to mainscreen


no action no action - - shows the currentbootloader checksum(CRC32)

28 line frequency back to mainscreen


value decrease value increase 0 1 set the electrical linefrequency to improvethe interferencerejection0:50Hz; 1:60Hz

29 load userparameters

back to mainscreen


value decrease (long press) loaduser parameters

- - replace the actualparameters with thestored user copy

30 lsave userparameters

back to mainscreen


value decrease (long press)save userparameters

- - save the currentparameters to the usercopy memory

31 load factoryparameters

back to mainscreen


value decrease (long press) loadfactoryparameters

- - replace the actualparameters with thefactory data

32 damping in lowpower mode

back to mainscreen


value decrease value increase 1 100 number of samplesaveraged when in lowpower mode



MAXVALUE

NOTES

33 auto power off back to mainscreen


value decrease value increase 0 7 power down timeout0=20s;1=1 min;2=3 min;3=15min;4=1h;5=6h;6=12h;7=18h.

34 sensor offset back to mainscreen


no action no action -99999999 99999999 shows the coupledsensor offet in RAWinternal ADC value

35 firmwaredownloadattempt log

back to mainscreen


show previousrecord

show nextrecord

oldestrecord (0)

latestavailablerecord

display the firmwaredownload attempt log(see FIRMWAREUPDATE section)


battery good

25% or less

10% or less

0

2,5

5

7,5

10

12,5

15

17,5

20

22,5

25

0 50 100 150 200 250 300 350 400 450 500 550 600

5 s

10 s

15 s

30 s

60 s

Expected battery life (years) VS sensor diameter and sampling time

BATTERY

The converter is powered with a lithium battery pack, offering over 10 years of service (depending on the configuration andthe working conditions).The residual life is estimated by calculating the energy usage all over the instrument life, so when thebattery pack is replaced it is necessary to reset the battery usage counter. Powering up the unit automatically takes the userto a selection screen (see ).SYSTEM STARTUP

NOTE: waking-up the unit frequently or entering very long power down timeouts (funcion 33) can reduce the expected batterylife.

years

DN (mm)


SELF DIAGNOSTIC

During the measuring process MC406 detects automatically if a fault condition occours and eventually stops themeasurement reporting an alarm indication on the display. The following table decribes the various alarm condition and thebehaviour of the converter.

ANOMALY DETECTED POSSIBLE CAUSES CONVERTER BEHAVIOUR DISPLAYED ICONS &CORRESPONDING ERROR CODE

excitation failure sensor disconnecteted;sensor cables damaged;sensor coils damaged

the measure is forced to 0 and the errorcondition is displayed and logged

101

empty pipe detected on the 4th electrode the sensor is not completely full of liquid;air is injected and causes turbolence;sensor disconnected;sensor cables damaged;liquid conductivity too low

the measure is forced to 0 and the errorcondition is displayed and logged; tosave battery energy the coil excitation isstopped until the error condition recovers

102

empty pipe detected / invalid measureon the measuring electrodes

the sensor is at least half empty; air isinjected and causes turbolence; sensordisconnected; sensor cables damaged;liquid conductivity too low; an electricdispersion on the process is affecting themeasure; an high source ofelectromagnetic interference is affectingthe measurement

the measure is forced to 0 and the errorcondition is displayed and logged; tosave battery energy the coil excitation isstopped until the error condition recovers

103

temperature exceed the nominalconverter working range

the enviornment temperature is over theworking range; the converter is installedexposed to direct sunlight

the error condition is displayed

201

wet electronic board the cap or a cable gland was notproperly closed causing a water intakeor a humidity condensation inside theconverter case


202

supply voltage out of range the battery pack is dameged or empty; awrong power source is connected to theconverter


301

pulses overlapped the pulse settings are not compatiblewith the measured process


401

firmware checksum differs from theattended value

the internal program memory haschanged

the error condition is displayed and theprogram execution stopped

801

parameters checksum differs from theattended value

the parameters data is corrupted the error condition is displayed and theprogram execution stopped

802

a watchdog reset was performed a disturbance caused an unhandledbehaviour in the regular softwareexecution

the instrument was reset to restore thefunctionality; the alarm is cleared after ithas been displayed

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PC CONNECTION SOFTWARE

With the provided PC-based connection software and the Euromag infrared USB adapter is possible to perform severalactions, on detalis:� view the live measurements in real time� read and write all the non-volatile parameters� download the internal datalogger� view the instrument event logger

DASHBOARD - live values and basic informations

EVENTS LOG - internal events such as battery replacement, parameters modification etc.


DATA LOG - internal process log download and CSV exportation

CONFIGURATION - parameters setup, including user coppy handling and factory recover


FIRMWARE UPDATE

Using the provided software utility and the infrared communication interface is possible to update the converter firmware witha newer release.

After selecting the firmware file and the proper COM port theconverter must enter in boot mode; this can be done by cycling thepower or by pressing the “Reset target device” button; the LCD willshow the bootloader CRC32 and version.

When the yellow LED is lit on the serial infrared port is ready andselecting “Download firmware to device” will start the download.A progress bar will show the firmware download progress, while theinstrument will display the internal operations sequence.

The actual working firmware is backup on a dedicated memoryarea, so in case of failure the converter will automatically recoverthe normal functionality. During the operation the red LED is lit onwhen the FLASH memory is being erased or written.

At the end of the update process the unit will automatically reboot.

F

update process step

0

!

0 Working firmware check 6 Working firmware backup

1 Waiting for the download request 7 Working firmware update

2 Download request received 8 New working firmware backup

3 Erasing download memory 9 Update OK

4 Firmware downloading 10 Restore working firmware (during start-up only)

5 Checking the downloaded firmware 11 Restore working firmware (after update failure)


Every firmware download attempt is logged in the internal memory. Selecting “get bootloader log” after the reset with theyellow LED on will show the download attempt log. The log can store over 500 records: once is full no more downloads areallowed.

The download attempt log can also be visualized on the converter display accessing function 35; each recordinformation is scrolled in 4 screens automatically. P3 and P4 can be pressed in any moment to move to the previousor next stored record.

ADDITIONAL DISPLAYED INFORMATION

Apart from the regular user interface screens, some extra information can be displayed.

Safe EEPROM secured: the calibration and measurment related parametersEEPROM memory is protected against write attempts.

The firmware or the EEPROM data checksum (parameters and/or totalizers)has failed the last intergrity check; no further measurement will be performed. !

Screen 1: the number ofrecord and the downloadingparty corresponding ID

Screen 2: date(YYYY.MM.DD) and timewhen the attempt wasperformed

Screen 3: show if theattempt was succesful(SUCCESS) or not (FAIL);also the last completed stepis reported (see previouspage)

Screen 4: show thechecksum and version ofthe downloaded firmware;if the operation was notsuccesful FFFFFFFF maybe shown as checksum

press togheter

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Accessing the download attempt log from themain visualization screen


battery pack

positive pulse out (clean contact)

negative pulse out (clean contact)

battery connector

ground connection

THIS SIDEUP

sensor connection cables (below the battery pack)

grounding rod

POS

NEG

CONVERTER INSTALLATION

Once the flowmeter is unboxed and installed, the pulses outputs can be wired (if required); the maximum allowed voltage is30V ac or dc (no attention to the polarity is required). The electronic clean contacts can handle up to 100mA current.The last step is the connection of the battery pack to the main board: pull out the battery pack, insert the connector and pull itback in place. Observe the pack orientation as indicated (look at the image below).At this point (if necessary) the allowed parameters can be visualized and adjusted.

shield

mc406 user manual (draft) - euromag · mc406 electronic converter overview and specifications last...

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